Journal of Dairy Science
Volume 92, Issue 8 , Pages 3643-3650 , August 2009

Effect of interval to resynchronization of ovulation on fertility of lactating Holstein cows when using transrectal ultrasonography or a pregnancy-associated glycoprotein enzyme-linked immunosorbent assay to diagnose pregnancy status

  • E. Silva

      Affiliations

    • Department of Dairy Science, University of Wisconsin, Madison 53706
    • ,
  • R.A. Sterry

      Affiliations

    • Department of Dairy Science, University of Wisconsin, Madison 53706
    • ,
  • D. Kolb

      Affiliations

    • Lodi Veterinary Clinic, Lodi, WI 53597
    • ,
  • N. Mathialagan

      Affiliations

    • Pfizer Pharmaceutical Company, St. Louis, MO 63167
    • ,
  • M.F. McGrath

      Affiliations

    • Monsanto Agricultural Company, St. Louis, MO 63167
    • ,
  • J.M. Ballam

      Affiliations

    • Monsanto Agricultural Company, St. Louis, MO 63167
    • ,
  • P.M. Fricke

      Affiliations

    • Department of Dairy Science, University of Wisconsin, Madison 53706
    • Corresponding Author InformationCorresponding author.

Received 11 September 2008 ,Accepted 26 March 2009.

References 

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  2. Fricke PM. Scanning the future—Ultrasonography as a reproductive management tool for dairy cattle. J. Dairy Sci. 2002;85:1918–1926
  3. Fricke PM, Caraviello DZ, Weigel KA, Welle ML. Fertility of dairy cows after resynchronization of ovulation at three intervals following first timed insemination. J. Dairy Sci. 2003;86:3941–3950
  4. Galvão KN, Santos JEP, Juchem SO, Cerri RLA, Coscioni AC, Villaseñor M. Effect of addition of a progesterone intravaginal insert to a timed insemination protocol using estradiol cypionate on ovulation rate, pregnancy rate, and late embryonic loss in lactating dairy cows. J. Anim. Sci. 2004;82:3508–3517
  5. Galvão KN, Sá Filho MF, Santos JEP. Reducing the interval from presynchrronization to initiation of timed artificial insemination improves fertility in dairy cows. J. Dairy Sci. 2007;90:4212–4218
  6. Green JA, Parks TE, Avalle MP, Telugu BP, McLain AL, Peterson AJ, et al. The establishment of an ELISA for the detection of pregnancy-associated glycoproteins (PAGs) in the serum of pregnant cows and heifers. Theriogenology. 2005;63:1481–1503
  7. Harlow E, Lane D. Immunoassays. Antibodies: A Laboratory Manual. Cold Spring Harbor, NY: Cold Spring Harbor Laboratory Press; 1998;Pages 553–612
  8. Moreira F, de la Sota RL, Diaz T, Thatcher WW. Effect of day of estrous cycle at the initiation of a timed artificial insemination protocol on reproductive responses in dairy heifers. J. Anim. Sci. 2000;78:1568–1576
  9. Moreira F, Orlandi C, Risco CA, Mattos R, Lopes F, Thatcher WW. Effect of presynchronization and bovine somatotropin on pregnancy rates to a timed artificial insemination protocol in lactating dairy cows. J. Dairy Sci. 2001;84:1646–1659
  10. Rivera H, Lopez H, Fricke PM. Fertility of Holstein dairy heifers after synchronization of ovulation and timed AI or AI after removed tail chalk. J. Dairy Sci. 2004;87:2051–2061
  11. Santos JEP, Thatcher WW, Chebel RC, Cerri RLA, Galvão KN. The effect of embryonic death rates in cattle on the efficacy of estrus synchronization programs. Anim. Reprod. Sci. 2004;82–83513–535
  12. Santos JE, Thatcher WW, Pool L, Overton MW. Effect of human chorionic gonadotropin on luteal function and reproductive performance of high-producing lactating Holstein dairy cows. J. Anim. Sci. 2001;79:2881–2894
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  15. Silva E, Sterry RA, Kolb D, Mathialagan N, McGrath MF, Ballam JM, et al. Accuracy of a pregnancy-associated glycoprotein ELISA to determine pregnancy status of lactating dairy cows twenty-seven days after timed artificial insemination. J. Dairy Sci. 2007;90:4612–4622
  16. Silva E, Sterry RA, Kolb D, Wiltbank MC, Fricke PM. Effect of pretreatment with prostaglandin F2α before resynchronization of ovulation on fertility of lactating Holstein cows. J. Dairy Sci. 2007;90:5509–5517
  17. Sterry RA, Silva E, Kolb D, Fricke PM. Strategic treatment of anovular dairy cows with GnRH. Theriogenology. 2009;71:534–542
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  19. Stevenson JS, Pursley JR, Fricke PM, Garverick HA, Kesler DJ, Ottobre JS, et al. Treatment of cycling and noncycling lactating dairy cows with progesterone during Ovsynch. J. Dairy Sci. 2006;89:2567–2578
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  21. Vasconcelos JLM, Silcox RW, Rosa GJM, Pursley JR, Wiltbank MC. Synchronization rate, size of ovulatory follicle, and pregnancy rate after synchronization of ovulation beginning on different days of the estrous cycle in lactating dairy cows. Theriogenology. 1999;52:1067–1078
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PII: S0022-0302(09)70685-X

doi: 10.3168/jds.2008-1704

Journal of Dairy Science
Volume 92, Issue 8 , Pages 3643-3650 , August 2009

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